【摘 要】
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Polyethylene(PE)is one of the best known semi-crystalline thermoplastic,which is famous as an environmentally friendly hydrocarbon product.PE is considered
【机 构】
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DaqingPetrochemicalResearchCenterofPetrochemicalResearchInstituteofPetroChinaDaqingHeilongjiang16371
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Polyethylene(PE)is one of the best known semi-crystalline thermoplastic,which is famous as an environmentally friendly hydrocarbon product.PE is considered a non-polar material,meaning it does not dissolve in common solvents and hardly swells.As a result,PE pipes cannot be solvent cemented.The appropriate joining method for this material is heat fusion,which is easy and convenient.When compared to stainless steel and large diameter PVC,the advantages of polyethylene pipe,especially high-pressure polyethylene pipe,are obvious.As is known,high-pressure polyethylene pipe has lower weight and installed cost,superior impact and corrosion resistance,better chemical compatibility [1-3] .
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